Philip Coyle, senior adviser with the Center for Defense Information in Washington D. C., said a major hurdle would be enabling the vehicles to carry the weight of cameras and microphones.

菲利普·科尔，华盛顿特区防御信息中心高级顾问说道，主要的障碍是如何承受摄像机和卫星电话的重量。

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But many land mines are buried below where Zeus can see them, says Philip Coyle of the Center for Defense Information in Washington, D.

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